初级英语训练 第3册PDF电子书下载

Exercise 1 1

Exercise 2 8

Exercise 3 14

Exercise 4 20

Exercise 5 26

Exercise 6 32

Exercise 7 38

Exercise 8（Test One） 44

Exercise 9 51

Exercise 10 58

Exercise 11 64

Exercise 12 71

Exercise 13 79

Exercise 14 85

Exercise 15（Test Two） 91

Key to Book 3 101